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A Comparative Analysis of X-factor Stretch between Driver and Iron Swing in Male Professional Golfers

남자 프로골퍼의 드라이버와 아이언 스윙 시 X-factor Stretch에 관한 비교 분석

  • Park, Tae-Jin (Department of Physical Education, Graduate of School, Pusan National University) ;
  • Seo, Kook-Eun (Division of Sport Science, Busan National University)
  • 박태진 (부산대학교 대학원 체육학과) ;
  • 서국은 (부산대학교 스포츠과학부)
  • Received : 2010.07.29
  • Accepted : 2010.12.28
  • Published : 2010.12.31

Abstract

The purpose of this study was conducted to make a comparative biomechanical analysis of X-factor and X-factor stretch during driver and iron swing. The subjects were composed of 10 professional golfers with more than 10 years career. The result was as follows: First, the analysis of the back swing with driver and iron swing showed no differences statistically between both the timing in horizontal rotating of shoulder and hip, the time required for X-factor stretch also showed no differences statistically. Second, the back swing with a driver swing showed more maximum horizontal rotation of shoulder and hip joint than the back swing with an iron swing, but the twist of shoulder and hip that was X-factor stretch angle showed no difference. Third, the GRF of the max value for the left and right foot during shoulder and hip horizontal rotation of back swing showed no differences statistically in the movement of driver and iron swing during the back swing, and the GRF of X-factor stretch for the left and right foot showed no differences statistically in driver and iron swing. Therefore the result of this research showed that the operation of torso(X-factor stretch) and weight shifting were similar although the horizontal rotation of body was different during the driver and iron swing.

Keywords

References

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